Replaceable Rear Derailleur Hanger: This new unused alloy Rear Derailleur Hanger is equivalent to Wheels Manufacturing #48, North Shore Billet DH0041, Pilo D37 hangers. It fits various bike brands such as Diamondback, Ghost, Haro, Kona, Iron Horse, Mongoose Models from about 1997 to 2016 depending on bike frame make/model. It has its mounting fasteners. I would like $10.00 if local to me/ pick up or $20.00 if mailing/delivering further out.